—Supermassive black hole roars to life before astronomers' eyes in world-1st observations —Black hole growth is slowing down in the universe. New research could help explain why. There is no such softening when they use ordinary dark matter, but when the team introduced SIDM instead, t...
The person who figured this out experimentally was James Prescott Joule. In his experiment, there was a large container full of water that had a paddle wheel fixed inside it. The paddle wheel was connected to an axle around which a string was wrapped many times. The string was looped over ...
Can you explain why water flows in a continuous stream down a vertical pipe, whereas it breaks into drops when falling freely? Why will a sinking ship often turn over as it becomes immersed in water? Explain why an object in water always appears to...
Ever wonder why some people build muscle more easily than others or why freckles come out in the sun? Send us your questions about how the human body works to community@livescience.com with the subject line "Health Desk Q," and you may see your question answered on the website! Emily ...
Bridges in harmony Why do bridges collapse? Find out more The wonder of bridges In the endless war of people versus nature, there will only ever be one winner—but humans can still console themselves with occasional victories, which is what the world's greatest bridges represent. Whether we ...
If a lobster is taken out of water and can breathe, does it drown after going back into water? Explain why or why not.Crustaceans :Crustaceans are a type of arthropod that have an exoskeleton and joint legs. They mostly live in salt water ...
Aside from the feeling of wellbeing the water gives her, swimming in Galway has opened up a sense of community too. “I talk to so many people before 9am. You hear about loneliness in all age groups, but when you’re down swimming you’ll always get the warm hel...
A third edit from me: Regular printing paper's density (according to Wiki) is 800kg/m³, with the human body being slightly less than 1000kg/m³ as a ready reckoner (oh, go on then... wiki says... oh, it doesn't, obviously at least... well, given how we float in water,...
The title text mentions that golf balls will float on lava, making recovering them from hazards easier (man-made obstacles such as sand or water, with sinking in the latter being the more obvious hazard to change). The density of a normal golf ball is about 1.13 grams per cubic centimeter...
("knowledge"), so it's the process of finding answers to how and why the world works as it does. From why the sky's blue to how your nose smells, from why boats float on water to what makes us happy or sad, you can seek answers—and enlightenment— in all kinds of ways: you ...